General Knowledge :: Biology
- Which of the following bacterium causes crown gall disease in plants?
- Fossils of blue green algae were found in lime stones with the age almost as old as
- They have also proved extremely useful in our quest of knowledge of outer space.
- Chemicals like ________ may be added to different foods or fruits to prevent or retard the growth microorganisms.
- Eutrophication is the result of
- The DNA bacterium consists of ring-like pieces known as the
- It is commonly found in the bottom tidal pools?
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